{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318559",
    "entityType": "User",
    "nonce": "0x68eafa83599eacebdaa758438a86573effe02e724203fd4ea8e7675702e71bef",
    "signature": "0x28c20d3616d1847cd6b11eec5acd1114d25730974927fd1d28ce3f4b1e624ad67529d31e68d69d9ae86524912c9f509bce5a5b7c332a336753ea0e6d019775821c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}